Flashcards in Transformations Deck (13)
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1
Q
How many transformations are there?
A
4
2
Q
What are the 4 different transformations?
A
Reflection
Translation
Rotation
Enlargements
3
Q
What is the original shape called?
A
Object
4
Q
What is the transformed shaped called
A
Image
5
Q
What are the 3 pieces of information needed for a rotation?
A
- Size of rotation (90°)
- Direction ( clockwise or anticlockwise)
- Centre of rotation ( around the point (0,0) )
6
Q
What are quadrants?
A
The 4 squares on the grid
7
Q
Name the 4 quadrants.
A
1 = + + 2 = - + 3 = - - 4 = + -
8
Q
What are translations?
A
means to slide a shape on a grid. The image is identical to the object
9
Q
What is
4/-2
A
A translation vector
10
Q
What does (4/-2) mean?
A
Move 4 squares to the right
and
Move 2 squares to the down
11
Q
Whats an easy way to remember what the translation vectors mean?
A
− → +
+
↓
-
12
Q
Whats a scale factor?
A
New/old
13
Q
How do you enlarge a shape when you have the scale factor?
A
Height x (scale factor) Length x (scale factor)
